M. Mossayebi
Investigating the use of a hybrid plasmonic-photonic nanoresonator for optical trapping using finite-difference time-domain method
Mossayebi, M.; Wright, A.J.; Parini, A.; Somekh, M.G.; Bellanca, G.; Larkins, E.C.
Authors
Professor AMANDA WRIGHT Amanda.Wright@nottingham.ac.uk
PROFESSOR OF OPTICS
A. Parini
Professor Michael Somekh Michael.Somekh@nottingham.ac.uk
PROFESSOR
G. Bellanca
Professor ERIC LARKINS eric.larkins@nottingham.ac.uk
PROFESSOR OF OPTO-ELECTRONICS
Abstract
We investigate the use of a hybrid nanoresonator comprising a photonic crystal (PhC) cavity coupled to a plasmonic bowtie nanoantenna (BNA) for the optical trapping of nanoparticles in water. Using finite-difference time-domain simulations, we show that this structure can confine light to an extremely small volume of ∼30,000nm3(∼30 zl) in the BNA gap whilst maintaining a high quality factor (5400–7700). The optical intensity inside the BNA gap is enhanced by a factor larger than 40 compared to when the BNA is not present above the PhC cavity. Such a device has potential applications in optical manipulation, creating high precision optical traps with an intensity gradient over a distance much smaller than the diffraction limit, potentially allowing objects to be confined to much smaller volumes and making it ideal for optical trapping of Rayleigh particles (particles much smaller than the wavelength of light).
Citation
Mossayebi, M., Wright, A., Parini, A., Somekh, M., Bellanca, G., & Larkins, E. (2016). Investigating the use of a hybrid plasmonic-photonic nanoresonator for optical trapping using finite-difference time-domain method. Optical and Quantum Electronics, 48(5), Article 275. https://doi.org/10.1007/s11082-016-0539-5
Journal Article Type | Article |
---|---|
Acceptance Date | Mar 22, 2016 |
Online Publication Date | Apr 8, 2016 |
Publication Date | May 1, 2016 |
Deposit Date | Jul 27, 2018 |
Publicly Available Date | Jan 14, 2019 |
Print ISSN | 0306-8919 |
Publisher | BMC |
Peer Reviewed | Peer Reviewed |
Volume | 48 |
Issue | 5 |
Article Number | 275 |
DOI | https://doi.org/10.1007/s11082-016-0539-5 |
Public URL | https://nottingham-repository.worktribe.com/output/1115570 |
Publisher URL | https://link.springer.com/article/10.1007%2Fs11082-016-0539-5 |
PMID | 00037553 |
Files
Mossayebi2016 Article InvestigatingTheUseOfAHybridPl
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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